Israeli police are set to swamp Ben Gurion airport tomorrow in preparation for the arrival of 1,300 Palestinian solidarity activists on Sunday.
It is part of the Welcome to Palestine 2012 campaign, which aims to highlight Israel's control of movement and into Palestinian territory.
Campaigners will tell passport officials that they plan to go to Bethlehem in the occupied West Bank, where they intend to build a museum about the history of Palestinian refugees and take part in talks on how to end Israel's occupation.
Tel Aviv has called it a "provocation" and said it won't let the activists into Israel.
It has urged airlines not to let "certain passengers" onto their flights into the country, to which Lufthansa has already capitulated by cancelling dozens of activists' tickets.